#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>
#include <string.h>

char* mn_strstr(const char* s1, const char* s2)
{
	assert(s1 && s2);
	char* tmp2 = s2;
	size_t l = 0;
	while(*s1++)
	{
		l++;
	}
	while (*(s2 + l + 1))
	{
		while(*s2 )
		s2++;
	}
}

int main()
{

	return 0;
}